Enjoy free drinks and some healthy competition as Dune at the Ritz-Carlton Key Biscayne hosts a mixologist mix off Sunday at 3pm. Mixologists from Cantina Beach, Rumbar, Cioppiono and Dune will go head to head while you judge & watch the Heat game on beachside TVs. May 20, 3pm; 455 Grand Bay Dr, Key Biscayne